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-rw-r--r--src/core/hle/service/nfc/nfc_device.cpp16
-rw-r--r--src/core/hle/service/nfc/nfc_device.h1
-rw-r--r--src/core/hle/service/nfp/amiibo_crypto.cpp4
-rw-r--r--src/core/hle/service/nfp/amiibo_crypto.h3
-rw-r--r--src/core/hle/service/nfp/nfp_device.cpp50
-rw-r--r--src/core/hle/service/nfp/nfp_device.h2
-rw-r--r--src/core/hle/service/nfp/nfp_types.h3
7 files changed, 67 insertions, 12 deletions
diff --git a/src/core/hle/service/nfc/nfc_device.cpp b/src/core/hle/service/nfc/nfc_device.cpp
index 3f17d0c7a..c7db74d14 100644
--- a/src/core/hle/service/nfc/nfc_device.cpp
+++ b/src/core/hle/service/nfc/nfc_device.cpp
@@ -42,8 +42,18 @@ NfcDevice::~NfcDevice() {
};
void NfcDevice::NpadUpdate(Core::HID::ControllerTriggerType type) {
- if (type == Core::HID::ControllerTriggerType::Connected ||
- type == Core::HID::ControllerTriggerType::Disconnected) {
+ if (!is_initalized) {
+ return;
+ }
+
+ if (type == Core::HID::ControllerTriggerType::Connected) {
+ Initialize();
+ availability_change_event->Signal();
+ return;
+ }
+
+ if (type == Core::HID::ControllerTriggerType::Disconnected) {
+ device_state = NFP::DeviceState::Unavailable;
availability_change_event->Signal();
return;
}
@@ -113,6 +123,7 @@ void NfcDevice::Initialize() {
device_state =
npad_device->HasNfc() ? NFP::DeviceState::Initialized : NFP::DeviceState::Unavailable;
encrypted_tag_data = {};
+ is_initalized = true;
}
void NfcDevice::Finalize() {
@@ -121,6 +132,7 @@ void NfcDevice::Finalize() {
StopDetection();
}
device_state = NFP::DeviceState::Unavailable;
+ is_initalized = false;
}
Result NfcDevice::StartDetection(NFP::TagProtocol allowed_protocol) {
diff --git a/src/core/hle/service/nfc/nfc_device.h b/src/core/hle/service/nfc/nfc_device.h
index a6e114d36..ea63f0537 100644
--- a/src/core/hle/service/nfc/nfc_device.h
+++ b/src/core/hle/service/nfc/nfc_device.h
@@ -67,6 +67,7 @@ private:
Kernel::KEvent* deactivate_event = nullptr;
Kernel::KEvent* availability_change_event = nullptr;
+ bool is_initalized{};
NFP::TagProtocol allowed_protocols{};
NFP::DeviceState device_state{NFP::DeviceState::Unavailable};
diff --git a/src/core/hle/service/nfp/amiibo_crypto.cpp b/src/core/hle/service/nfp/amiibo_crypto.cpp
index bba862fb2..a3622e792 100644
--- a/src/core/hle/service/nfp/amiibo_crypto.cpp
+++ b/src/core/hle/service/nfp/amiibo_crypto.cpp
@@ -70,6 +70,10 @@ bool IsAmiiboValid(const EncryptedNTAG215File& ntag_file) {
return true;
}
+bool IsAmiiboValid(const NTAG215File& ntag_file) {
+ return IsAmiiboValid(EncodedDataToNfcData(ntag_file));
+}
+
NTAG215File NfcDataToEncodedData(const EncryptedNTAG215File& nfc_data) {
NTAG215File encoded_data{};
diff --git a/src/core/hle/service/nfp/amiibo_crypto.h b/src/core/hle/service/nfp/amiibo_crypto.h
index c9fd67a39..f6208ee6b 100644
--- a/src/core/hle/service/nfp/amiibo_crypto.h
+++ b/src/core/hle/service/nfp/amiibo_crypto.h
@@ -60,6 +60,9 @@ static_assert(sizeof(DerivedKeys) == 0x30, "DerivedKeys is an invalid size");
/// Validates that the amiibo file is not corrupted
bool IsAmiiboValid(const EncryptedNTAG215File& ntag_file);
+/// Validates that the amiibo file is not corrupted
+bool IsAmiiboValid(const NTAG215File& ntag_file);
+
/// Converts from encrypted file format to encoded file format
NTAG215File NfcDataToEncodedData(const EncryptedNTAG215File& nfc_data);
diff --git a/src/core/hle/service/nfp/nfp_device.cpp b/src/core/hle/service/nfp/nfp_device.cpp
index 268337d2e..607e70968 100644
--- a/src/core/hle/service/nfp/nfp_device.cpp
+++ b/src/core/hle/service/nfp/nfp_device.cpp
@@ -66,8 +66,18 @@ NfpDevice::~NfpDevice() {
};
void NfpDevice::NpadUpdate(Core::HID::ControllerTriggerType type) {
- if (type == Core::HID::ControllerTriggerType::Connected ||
- type == Core::HID::ControllerTriggerType::Disconnected) {
+ if (!is_initalized) {
+ return;
+ }
+
+ if (type == Core::HID::ControllerTriggerType::Connected) {
+ Initialize();
+ availability_change_event->Signal();
+ return;
+ }
+
+ if (type == Core::HID::ControllerTriggerType::Disconnected) {
+ device_state = DeviceState::Unavailable;
availability_change_event->Signal();
return;
}
@@ -111,7 +121,16 @@ bool NfpDevice::LoadAmiibo(std::span<const u8> data) {
// TODO: Filter by allowed_protocols here
- memcpy(&encrypted_tag_data, data.data(), sizeof(EncryptedNTAG215File));
+ memcpy(&tag_data, data.data(), sizeof(EncryptedNTAG215File));
+ is_plain_amiibo = AmiiboCrypto::IsAmiiboValid(tag_data);
+
+ if (is_plain_amiibo) {
+ encrypted_tag_data = AmiiboCrypto::EncodedDataToNfcData(tag_data);
+ LOG_INFO(Service_NFP, "Using plain amiibo");
+ } else {
+ tag_data = {};
+ memcpy(&encrypted_tag_data, data.data(), sizeof(EncryptedNTAG215File));
+ }
device_state = DeviceState::TagFound;
deactivate_event->GetReadableEvent().Clear();
@@ -145,6 +164,7 @@ void NfpDevice::Initialize() {
device_state = npad_device->HasNfc() ? DeviceState::Initialized : DeviceState::Unavailable;
encrypted_tag_data = {};
tag_data = {};
+ is_initalized = true;
}
void NfpDevice::Finalize() {
@@ -155,6 +175,7 @@ void NfpDevice::Finalize() {
StopDetection();
}
device_state = DeviceState::Unavailable;
+ is_initalized = false;
}
Result NfpDevice::StartDetection(TagProtocol allowed_protocol) {
@@ -220,13 +241,17 @@ Result NfpDevice::Flush() {
tag_data.write_counter++;
- if (!AmiiboCrypto::EncodeAmiibo(tag_data, encrypted_tag_data)) {
- LOG_ERROR(Service_NFP, "Failed to encode data");
- return WriteAmiiboFailed;
- }
+ std::vector<u8> data(sizeof(EncryptedNTAG215File));
+ if (is_plain_amiibo) {
+ memcpy(data.data(), &tag_data, sizeof(tag_data));
+ } else {
+ if (!AmiiboCrypto::EncodeAmiibo(tag_data, encrypted_tag_data)) {
+ LOG_ERROR(Service_NFP, "Failed to encode data");
+ return WriteAmiiboFailed;
+ }
- std::vector<u8> data(sizeof(encrypted_tag_data));
- memcpy(data.data(), &encrypted_tag_data, sizeof(encrypted_tag_data));
+ memcpy(data.data(), &encrypted_tag_data, sizeof(encrypted_tag_data));
+ }
if (!npad_device->WriteNfc(data)) {
LOG_ERROR(Service_NFP, "Error writing to file");
@@ -244,6 +269,13 @@ Result NfpDevice::Mount(MountTarget mount_target_) {
return WrongDeviceState;
}
+ // The loaded amiibo is not encrypted
+ if (is_plain_amiibo) {
+ device_state = DeviceState::TagMounted;
+ mount_target = mount_target_;
+ return ResultSuccess;
+ }
+
if (!AmiiboCrypto::IsAmiiboValid(encrypted_tag_data)) {
LOG_ERROR(Service_NFP, "Not an amiibo");
return NotAnAmiibo;
diff --git a/src/core/hle/service/nfp/nfp_device.h b/src/core/hle/service/nfp/nfp_device.h
index 8813df998..7f963730d 100644
--- a/src/core/hle/service/nfp/nfp_device.h
+++ b/src/core/hle/service/nfp/nfp_device.h
@@ -92,8 +92,10 @@ private:
Kernel::KEvent* deactivate_event = nullptr;
Kernel::KEvent* availability_change_event = nullptr;
+ bool is_initalized{};
bool is_data_moddified{};
bool is_app_area_open{};
+ bool is_plain_amiibo{};
TagProtocol allowed_protocols{};
s64 current_posix_time{};
MountTarget mount_target{MountTarget::None};
diff --git a/src/core/hle/service/nfp/nfp_types.h b/src/core/hle/service/nfp/nfp_types.h
index b3599a513..70c878552 100644
--- a/src/core/hle/service/nfp/nfp_types.h
+++ b/src/core/hle/service/nfp/nfp_types.h
@@ -309,7 +309,8 @@ struct EncryptedNTAG215File {
u32 CFG1; // Defines number of verification attempts
NTAG215Password password; // Password data
};
-static_assert(sizeof(EncryptedNTAG215File) == 0x21C, "EncryptedNTAG215File is an invalid size");
+static_assert(sizeof(EncryptedNTAG215File) == sizeof(NTAG215File),
+ "EncryptedNTAG215File is an invalid size");
static_assert(std::is_trivially_copyable_v<EncryptedNTAG215File>,
"EncryptedNTAG215File must be trivially copyable.");
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-02 11:03:57 +0200